A food-borne illness could spread through the body by infecting which layer of the alimentary canal, and why? The serosa, becaus
e it secretes fluid that lubricates the intestines The serosa, because it contains blood vessels and lymphatic ducts The submucosa, because it contains blood vessels and lymphatic ducts The submucosa, because it secretes fluid that lubricates the intestines
The submucosa, because it contains blood vessels and lymphatic ducts
Explanation:
The submucosa is a layer of tissue below the mucosa that contains lymphatic ducts and blood vessels formed by angiogenesis and vasculogenesis, respectively
Canada's “universal” health-care system is a little less universal when it comes to immigrants. All citizens and permanent residents are eligible for public health insurance, which covers most medical issues. Newcomers to Canada, however, may not have the same access to services.
